THE IBEX. 65 the most tremendous precipices without fear, besides much strength, vigilance, and activity. Sometimes, when hard- pressed, the Ibex will turn on the pur- suer and tumble him down the precipice. They always strive to gain the summit of the mountain when alarmed. Their voice is a sharp and short whistle, like that of the chamois. The Ibex is said to throw itself down steep precipices, and fall on its large horns, and thus escape injury. The young are defended with great courage by their parent.